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Course of convergence in gateroads supported with arches and rock bolts (In German and English) : bon Nyga, J Gluckauf V123, N9, 7 May 1987, P528–530 (German), P255–257 (English)


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
246 KB
Volume
24
Category
Article
ISSN
0148-9062

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